Weenzen is a village and former municipality located in the district of Hildesheim within the state of Lower Saxony, Germany. It serves as a residential locality that transitioned into a constituent part of the municipality of Duingen on November 1, 2016.
As of 2025, the village has a population of approximately 380 residents. It is characterized by its administrative integration into the larger Duingen municipal structure while maintaining its identity as a distinct locality in the region.